| Company | Timeline | Status | |
| Dax Property Company Limited Director • Director  | 7 Oct 2013←12 Years→Current  | Active  | |
Ross Exchangers Limited Director • Director  | 1 Dec 2005←9 Years→31 Jul 2015  | Dissolved  | |
Ross Offshore Limited Director • Director  | 6 Nov 2001←13 Years→3 Jul 2015  | Dissolved  | |
| Glacier Energy Services Limited Director • Director  | 21 Aug 1998←16 Years→15 Aug 2015  | Active  | |
| Ross Heat Exchangers Limited Director • Director  | 31 Dec 1989←13 Years→27 May 2003  | Dissolved  | |
